mirror of
https://github.com/oliverschmidt/contiki.git
synced 2024-12-24 07:29:42 +00:00
86 lines
2.6 KiB
C
86 lines
2.6 KiB
C
/**
|
|
* \addtogroup llsec802154
|
|
* @{
|
|
*/
|
|
|
|
/*
|
|
* Copyright (c) 2013, Hasso-Plattner-Institut.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. Neither the name of the Institute nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* This file is part of the Contiki operating system.
|
|
*
|
|
*/
|
|
|
|
/**
|
|
* \file
|
|
* CCM* header file.
|
|
* \author
|
|
* Konrad Krentz <konrad.krentz@gmail.com>
|
|
*/
|
|
|
|
#ifndef CCM_H_
|
|
#define CCM_H_
|
|
|
|
#include "contiki.h"
|
|
#include "net/mac/frame802154.h"
|
|
|
|
/* see RFC 3610 */
|
|
#define CCM_AUTH_FLAGS(Adata, M) ((Adata ? (1 << 6) : 0) | (((M - 2) >> 1) << 3) | 1)
|
|
#define CCM_ENCRYPTION_FLAGS 1
|
|
|
|
#ifdef CCM_CONF
|
|
#define CCM CCM_CONF
|
|
#else /* CCM_CONF */
|
|
#define CCM ccm_driver
|
|
#endif /* CCM_CONF */
|
|
|
|
/**
|
|
* Structure of CCM drivers.
|
|
*/
|
|
struct ccm_driver {
|
|
|
|
/**
|
|
* \brief Generates a MIC over the frame in the packetbuf.
|
|
* \param result The generated MIC will be put here
|
|
* \param mic_len <= 16; set to LLSEC802154_MIC_LENGTH to be compliant
|
|
*/
|
|
void (* mic)(const uint8_t *extended_source_address,
|
|
uint8_t *result,
|
|
uint8_t mic_len);
|
|
|
|
/**
|
|
* \brief XORs the frame in the packetbuf with the key stream.
|
|
*/
|
|
void (* ctr)(const uint8_t *extended_source_address);
|
|
};
|
|
|
|
extern const struct ccm_driver CCM;
|
|
|
|
#endif /* CCM_H_ */
|
|
|
|
/** @} */
|